$ git clone -n https://src.fedoraproject.org/rpms/rust-ripgrep.git /var/lib/mock/f45-build-44425-813/root/chroot_tmpdir/scmroot/rust-ripgrep
Cloning into '/var/lib/mock/f45-build-44425-813/root/chroot_tmpdir/scmroot/rust-ripgrep'...
$ git fetch origin 4b29aeacb45bc402e58f1415ff4256ccabec566e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ripgrep
 * [new ref]         4b29aeacb45bc402e58f1415ff4256ccabec566e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b29aea Update to version 15.2.0; Fixes RHBZ#2404328